Lead Mainframe Developer (COBOL, DB2, JCL, CICS)
Lorven Technologies Inc
Job Title: Lead Mainframe Developer (COBOL, DB2, JCL, CICS)
Location: Omaha NE (Day 1 onsite)
About the Role
We're seeking a skilled Lead Mainframe Developer with strong expertise in COBOL, DB2, JCL, and CICS to build, enhance, and support mission-critical batch and online systems. You'll work closely with business and cross-functional tech teams to deliver reliable, high-performance solutions on IBM z/OS platforms.
Key Responsibilities
Tech Stack:
COBOL (batch & online), JCL, DB2 v[version], CICS TS, VSAM, ISPF, Endevor/Changeman, XPEDITER/InterTest, ABEND-AID/Fault Analyzer, SDSF, TSO/ISPF, Batch schedulers (Control-M/CA-7), MQ (good to have), Git/ISPW/Zowe (nice-to-have).
Location: Omaha NE (Day 1 onsite)
About the Role
We're seeking a skilled Lead Mainframe Developer with strong expertise in COBOL, DB2, JCL, and CICS to build, enhance, and support mission-critical batch and online systems. You'll work closely with business and cross-functional tech teams to deliver reliable, high-performance solutions on IBM z/OS platforms.
Key Responsibilities
- Design, develop, and maintain mainframe applications using COBOL (batch and online), DB2 , JCL , and CICS .
- Analyze business requirements, produce HLD/LLD , and deliver clean, well-documented code.
- Build and optimize DB2 SQL (static/dynamic), including performance tuning, indexing, and query optimization.
- Create and manage JCL for batch processing; troubleshoot abends and performance issues.
- Develop and maintain CICS transactions, BMS maps, and handle conversational/non-conversational flows.
- Perform unit/integration testing , support UAT , and drive production deployments with proper change control.
- Troubleshoot incidents (ABEND-AID/FAULT Analyzer logs, SMF data), perform root cause analysis, and implement permanent fixes.
- Collaborate with QA, DevOps, and SRE teams for CI/CD (where applicable) and environment management.
- Produce technical documentation and contribute to knowledge base and runbooks .
- Ensure compliance with security, audit, and data privacy standards (e.g., masking, access controls).
- Participate in on-call rotation and release weekends as needed.
- [15+] years of hands-on experience with COBOL , DB2 , JCL , and CICS on IBM z/OS .
- Strong knowledge of VSAM , PS/PO datasets , file handling, and batch scheduling basics (e.g., CA-7/Control-M exposure).
- Proficiency in DB2 concepts (normalization, indexing strategies, locking, plans/packages, RUNSTATS/REBIND).
- Experience with debugging tools (e.g., XPEDITER/InterTest , ABEND-AID , Fault Analyzer ).
- Familiar with change management tools (e.g., Endevor , Changeman , ISPF/PDS editors).
- Solid understanding of SDLC , Agile/Scrum , code reviews, and quality gates.
- Strong analytical and communication skills; ability to work with business stakeholders.
Tech Stack:
COBOL (batch & online), JCL, DB2 v[version], CICS TS, VSAM, ISPF, Endevor/Changeman, XPEDITER/InterTest, ABEND-AID/Fault Analyzer, SDSF, TSO/ISPF, Batch schedulers (Control-M/CA-7), MQ (good to have), Git/ISPW/Zowe (nice-to-have).
Vacancy posted 18 hours ago
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